20274904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 41267520

約数和(自身を除く): 20992616

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1423, 1781, 2846, 3562, 5692, 7124, 11384, 14248, 18499, 36998, 73996, 147992, 194951, 389902, 779804, 1559608, 2534363, 5068726, 10137452, 20274904]

約数ペア:

[(1, 20274904), (2, 10137452), (4, 5068726), (8, 2534363), (13, 1559608), (26, 779804), (52, 389902), (104, 194951), (137, 147992), (274, 73996), (548, 36998), (1096, 18499), (1423, 14248), (1781, 11384), (2846, 7124), (3562, 5692)]